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<?php class Test { private $_var; public function __construct($val) { $this->_var=$val; } public function &getVar() { return $this->_var; } } function modifyVar(&$v) { $v=$v*2; } $test=new Test(2); $a=$test->getVar(); $a+=2; echo $test->getVar()." "; modifyVar($a); echo $test->getVar()." ";
Output for git.master, git.master_jit, rfc.property-hooks
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